<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>作业</title>
    <style>
        div{
            width: 40px;
            height: 40px;
            background-color: #4b81d9;
            background-image: url("https://game.gtimg.cn/images/yxzj/web201605/main/spr.png");
            background-repeat: no-repeat;
            background-position: -111px -103px;
        }
        div:hover{
            background-color: white;
            background-position: -111px -63px;
        }
    </style>
</head>
<body>
    <div>

    </div>
</body>
</html>